00604nam a22001697a 4500 20090813094221.0 090813t xxu||||| |||| 00| 0 eng d 535.375.826 RAV Ravi Kumar, A.V. 2464 Applications of laser induced photoacoustic effect for the study of gases and solids 252p. Lasers TH Cochin Dept. of Physics - CUSAT 1992 2452 Thesis (Ph.D), CUSAT, 1992 0 0 udc 0 0 UL UL 2009-08-13 0 535.375.826 RAV G0005372 2009-08-13 2009-08-13 TH 2623 2623